/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.plugin.task.dq.utils;

import org.apache.dolphinscheduler.plugin.task.api.parameters.dataquality.spark.ProgramType;
import org.apache.dolphinscheduler.plugin.task.api.parameters.dataquality.spark.SparkConstants;
import org.apache.dolphinscheduler.plugin.task.api.parameters.dataquality.spark.SparkParameters;
import org.apache.dolphinscheduler.plugin.task.api.model.ResourceInfo;
import org.apache.dolphinscheduler.plugin.task.api.utils.ArgsUtils;

import org.apache.commons.lang3.StringUtils;

import java.util.ArrayList;
import java.util.List;

/**
 * spark args utils
 */
public class SparkArgsUtils {

  private static final String SPARK_CLUSTER = "cluster";

  private static final String SPARK_LOCAL = "local";

  private static final String SPARK_ON_YARN = "yarn";

  private SparkArgsUtils() {
    throw new IllegalStateException("Utility class");
  }

  /**
   * build args
   *
   * @param param param
   * @return argument list
   */
  public static List<String> buildArgs(SparkParameters param) {
    List<String> args = new ArrayList<>();
    args.add(SparkConstants.MASTER);

    String deployMode = StringUtils.isNotEmpty(param.getDeployMode()) ? param.getDeployMode() : SPARK_CLUSTER;
    if (!SPARK_LOCAL.equals(deployMode)) {
      args.add(SPARK_ON_YARN);
      args.add(SparkConstants.DEPLOY_MODE);
    }
    args.add(deployMode);

    ProgramType programType = param.getProgramType();
    String mainClass = param.getMainClass();
    if (programType != null && programType != ProgramType.PYTHON && StringUtils.isNotEmpty(mainClass)) {
      args.add(SparkConstants.MAIN_CLASS);
      args.add(mainClass);
    }

    int driverCores = param.getDriverCores();
    if (driverCores > 0) {
      args.add(SparkConstants.DRIVER_CORES);
      args.add(String.format("%d", driverCores));
    }

    String driverMemory = param.getDriverMemory();
    if (StringUtils.isNotEmpty(driverMemory)) {
      args.add(SparkConstants.DRIVER_MEMORY);
      args.add(driverMemory);
    }

    int numExecutors = param.getNumExecutors();
    if (numExecutors > 0) {
      args.add(SparkConstants.NUM_EXECUTORS);
      args.add(String.format("%d", numExecutors));
    }

    int executorCores = param.getExecutorCores();
    if (executorCores > 0) {
      args.add(SparkConstants.EXECUTOR_CORES);
      args.add(String.format("%d", executorCores));
    }

    String executorMemory = param.getExecutorMemory();
    if (StringUtils.isNotEmpty(executorMemory)) {
      args.add(SparkConstants.EXECUTOR_MEMORY);
      args.add(executorMemory);
    }

    String appName = param.getAppName();
    if (StringUtils.isNotEmpty(appName)) {
      args.add(SparkConstants.SPARK_NAME);
      args.add(ArgsUtils.escape(appName));
    }

    String others = param.getOthers();
    if (!SPARK_LOCAL.equals(deployMode) && (StringUtils.isEmpty(others) || !others.contains(SparkConstants.SPARK_QUEUE))) {
      String queue = param.getQueue();
      if (StringUtils.isNotEmpty(queue)) {
        args.add(SparkConstants.SPARK_QUEUE);
        args.add(queue);
      }
    }

    // --conf --files --jars --packages
    if (StringUtils.isNotEmpty(others)) {
      args.add(others);
    }

    ResourceInfo mainJar = param.getMainJar();
    if (mainJar != null) {
      args.add(mainJar.getRes());
    }

    String mainArgs = param.getMainArgs();
    if (StringUtils.isNotEmpty(mainArgs)) {
      args.add(mainArgs);
    }

    return args;
  }

}
